Remove all visible signs of organic growth and treat the areas with Zinsser Mould Killer in accordance with the manufacturer’s instructions. Allow to dry. Ensure the surface is free from any contaminants and anything that could interfere with adhesion by washing down with hot water and liquid detergent, frequently changing the water then degrease overall with methylated spirit frequently changing the cloth. Ensure the grout is fully dry before overcoating.
Prime all bare ceramic tiles with one full coat of Bulls Eye® 1-2-3 Primer Sealer in accordance with the manufacturer’s instructions. Allow a minimum drying time of 1 hour in normal drying conditions.
For interior projects decorate with two full coats of Perma-White® Interior Matt, Satin or Semi-Gloss in accordance with the manufacturer’s instructions. For exterior projects apply two full coats of AllCoat® Exterior Satin or Gloss. Allow a minimum drying time of one hour between coats.